/Engine/Source/Runtime/Slate/Public/Widgets/Layout/SSplitter.h
static void FindAllResizeableSlotsAfterHandle ( int32 DraggedHandle, const [TPanelChildren](API\Runtime\SlateCore\Layout\TPanelChildren)< [FSlot](API\Runtime\Slate\Widgets\Layout\SSplitter\FSlot) > & Children, [TArray](API\Runtime\Core\Containers\TArray)< int32, FConcurrentLinearArrayAllocator > & OutSlotIndicies )